Suppose I have thread A and B running. How can I “call” a method from thread B such that the method is executed in thread A?
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Suppose I have thread A and B running. How can I “call” a method from thread B such that the method is executed in thread A?
To do this, thread A must implement some sort of request-queueing mechanism onto which thread B can enqueue a request. Thread A must also provide a loop where it polls the request queue to dequeue and execute requests
This is standard producer-consumer architecture and is done, for example, when you use Swing Worker tasks that get run on their own threads, or when you all
SwingUtilities.invokeLater()which runs tasks on the EDT.